Pentobarbital Drug Level

Label Mnemonic:	PENT
Epic code:	LAB656
Order form:	Laboratory Requisition
Supply order:	Supply Order Form
Billing:	Billing Policies
CPT code:	80345

Specimen(s):

Plasma

Collection Medium:

Plasma Separator Tube 4.5 mL

Alternate Collection Media:

Call laboratory for additional acceptable specimen collection containers.

Minimum:

3 mL whole blood from light green top tube or THREE light green top Microtainer^® devices for pediatric patients.

Testing Schedule:

7 days per week. Sample must be received by 1000 for same day service.

Turn Around Time:

24 hours (upon receipt in laboratory)

Reference Range:

Used in treatment of increased intracranial pressure with target concentrations of approximately 21-45 mcg/mL.

Methodology:

Kinetic Interaction of Microparticles in a Solution (KIMS)

Sample Processing:

Centrifuge at a speed and time necessary to get barrier separation of plasma/serum and cells within 1 hour of collection. Send specimen in original tube. Do Not transfer to another tube.
Each sample must be labeled with at least TWO full patient identifiers (First/Last Name & DOB are sufficient for non-UIHC affiliated clients) to avoid sample rejection/delays.

Sample Storage:

Refrigerate.
All sample storage requirements are intended for delivery to UIHC within 24 hours of collection for testing. If samples won't arrive in this time period, please call the UIHC Core Lab for alternative storage/shipping instructions (319-356-3527).

Transport Instructions:

Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place completed requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.